EditConfigAttributes.CELL_EDITABLE_RULE,
IEditableRule.ALWAYS_EDITABLE);
configRegistry.registerConfigAttribute(
CellConfigAttributes.DISPLAY_CONVERTER,
new DefaultDateDisplayConverter(), DisplayMode.NORMAL,
_4451_CrossValidationGridExample.DATE_LABEL);
configRegistry.registerConfigAttribute(
CellConfigAttributes.DISPLAY_CONVERTER,
new DefaultDateDisplayConverter(), DisplayMode.EDIT,
_4451_CrossValidationGridExample.DATE_LABEL);
// configure the validation error style
IStyle validationErrorStyle = new Style();
validationErrorStyle.setAttributeValue(